Patents Assigned to Friedrich Wolff AG
  • Patent number: D421868
    Type: Grant
    Filed: February 3, 1999
    Date of Patent: March 28, 2000
    Assignee: Friedrich Wolff AG
    Inventor: Friedrich Wolff
  • Patent number: D423859
    Type: Grant
    Filed: February 3, 1999
    Date of Patent: May 2, 2000
    Assignee: Friedrich Wolff AG
    Inventor: Friedrich Wolff